9. Reddit

Users generate a list of bookmarks by commenting, upvoting or downvoting content that’s shared on the platform.

Reddit is a great tool when you’re looking to quickly promote your own content.

10. Fark

One of Fark’s best attributes is their commitment to quality.

As a social networking news site, Fark receives mountains of submissions on a daily basis, but presents only the best to their audience.

This site isn’t for wimpy, weak content.

But, if you’re ready to showcase your talent and drive traffic to your own site, Fark is the way to go.

11. BizSugar

If you’ve got content about startups, marketing, and the world of small business, then BizSugar is the social bookmarking site that will help build your reputation and brand authority in a growing community of like-minded, small business professionals.

12. Slashdot

Slashdot is the ultimate bookmarking site for tech-geeks and the techie at heart.

Diigo is perfect for content that’s focused on statistics, analytics, or research of any industry.

17. BibSonomy

Granted, not many businesses publish scientific material as part of their marketing strategy.

But, for those that do, BibSonomy is a premier social bookmarking site for businesses and academic types to collect, share and collaborate with the most recent, highly relevant research-based material.

18. CiteULike

CiteULike is a free service for storing and organizing scholarly articles.

Users of the website love their automated article recommendations.

These recommendations also benefit the content creators with a nice SEO boost.

19. Pearltrees

There’s a simplicity to Pearltrees that makes it a favorite among internet browsers that love to create collections of their favorite things.

Pearltrees offers functionality and a platform that makes it easy to share and gather new content.

20. DZone

DZone is one of the preferred social bookmarking sites for software developers around the world.

Each day, thousands of developers come to the site to learn, share, and read about the latest technologies and trends in the world of software development.

21. Medium

Typically used to share personal, original stories, Larry Kim has shown just how successfulMedium can be for repurposing content.

22. SlideShare

While some claim SlideShare is on its way out if you’ve created an amazing keynote or PowerPoint presentation, you’re going to want to repurpose that on SlideShare.

23. Quora

Not only a great research tool for Q&A content brainstorming, Quora is a question-and-answer based site filled with a wide range of topics to discuss and follow.

Plus, 29 More for Good Measure

To round out our list, here are 29 more social bookmarking sites for you to leverage in your SEO strategy.

A few of these you’ll be familiar with because they’re already insanely popular, but there’s also plenty of lesser-known sites on the list.